Nonlinear effects in Schwinger-Dyson Equation

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We study nonlinear effects in the QED ladder Schwinger-Dyson(SD) equation. Without further approximations, we show that all nonlinear effects in the ladder SD equation can be included in the effective couplings and how a linear approximation works well. The analyses is generalized in the case of the improved ladder calculation with the Higashijima-Miransky approximation.
7 pages, 2 figures

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High Energy Physics - Phenomenology, Chaotic Dynamics, Condensed Matter, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/49165

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9906519
 http://arxiv.org/abs/hep-ph/9906519

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arXiv